Cut Sheet
Table Of Contents
- T&B Fitting
- Product Overview
- Rigid & Intermediate Metal Conduit Fittings
- Form 7, Form 8, Series 35, Conduit Outlet Bodies & Covers
- Mogul Conduit Outlet Bodies
- FS/FD Cast Device Boxes and Covers
- Conduit Outlet Boxes
- Conduit Outlet Elbows, Reducers, Plugs, and Adapters
- Three-Piece Couplings
- Sealing Fittings
- Kopr-Shield Compound
- Jacketed Metal Clad Cable Termination Fittings
- Tray Cable Fittings
- EMT Fittings
- Liquidtight Flexible Metal Conduit Fittings
- Shureflex™ Nylon Conduit System
- XTRA FLEX System
- Flexible Cord and Cable Fittings
- Flexible Cord and Cable Fittings - Non-Metallic
- Service Entrance Cable Fittings
- Metal Clad Cable, Armored Cable and FlexibleMetal Conduit Fittings
- Non-Metallic Sheathed Cable Fittings
- Conduit Dimensional Data
Rigid and Intermediate Metal Conduit Fittings
Conduit Straps
A
C
B
CONDUIT SCREW
CAT. NO.
SIZE A B C SIZE
1210TB
†
3
⁄8"1
15
⁄32
3
⁄4
11
⁄16
1
⁄4"
1211TB
1
⁄2"2
3
⁄4
15
⁄16
1
⁄4"
1212TB
3
⁄4"2
5
⁄16 3
3
⁄4 1"
1
⁄4"
1213TB 1" 3
13
⁄16
3
⁄4 1
17
⁄64
1
⁄4"
1214TB 1
1
⁄4"2
31
⁄32 1
9
⁄16 1
9
⁄16
3
⁄8"
1215TB 1
1
⁄2"3
23
⁄32 1
13
⁄16 1
13
⁄16
3
⁄8"
1216TB 2" 4
7
⁄16 2
5
⁄16 2
5
⁄16
3
⁄8"
A
B
C
Pipe Straps — Malleable
Iron or Aluminum
Designed for snug fit on each
size of conduit!
CAT. NO.
SCREW
MAL. IRON ALUM. SIZE A B C SIZE
1275
†
1275AL
3
⁄8"1
7
⁄8"
11
⁄16"
3
⁄4" #12
1276
†
1276AL
†
1
⁄2"2
5
⁄32"
21
⁄32"1
1
⁄32"
1
⁄4"
1277
†
1277AL
†
3
⁄4"2
9
⁄16"
11
⁄16"1
7
⁄32"
1
⁄4"
1278
†
1278AL
†
1" 3"
3
⁄4"1
17
⁄32"
1
⁄4"
1279
†
1279AL
†
1
1
⁄4"3
3
⁄4"
13
⁄16"1
7
⁄8"
5
⁄16"
1280
†
1280AL 1
1
⁄2"4
3
⁄16"
15
⁄16"2
1
⁄8"
3
⁄8"
1281 1281AL 2" 5
3
⁄16"1
1
⁄8"2
17
⁄64"
7
⁄16"
1282* 1282AL 2
1
⁄2"5
15
⁄16"1
1
⁄2"2
3
⁄4"
1
⁄2"
1283* 1283AL 3" 6
11
⁄16"1
5
⁄8"3
11
⁄32"
1
⁄2"
1284 1284AL 3
1
⁄2"7
19
⁄32"1
3
⁄4"3
29
⁄32"
5
⁄8"
1285* 1285AL 4" 8
5
⁄16"1
7
⁄8"4
13
⁄32"
5
⁄8"
1286 — 4
1
⁄2"9
3
⁄16"1
15
⁄16"4
15
⁄16"
5
⁄8"
1287 — 5" 9
15
⁄16"2"5
15
⁄32"
5
⁄8"
1288 — 6" 11
1
⁄2"2
7
⁄16"6
17
⁄32"
5
⁄8"
• High reinforcing ribs on each side
increase strength and reduce weight
• Available in malleable iron with hot-dipped
galvanized finish or in copper-free aluminum
*
May be used with EMT of same size.
†
Not snap-on type.
UL not applicable.
CSA File No. 2884
†
Not snap-on type. UL not applicable. CSA File No. 2884
Pipe Straps — Steel
BOLT DIMENSIONS (IN.)
CAT. NO.
SIZE SIZE A B C
1275CR
3
⁄8"
1
⁄4"1
7
⁄8
11
⁄16
3
⁄4
1276CR
1
⁄2"
1
⁄4"2
5
⁄32
21
⁄32 1
1
⁄32
1277CR
3
⁄4"
1
⁄4"2
9
⁄16
11
⁄16 1
7
⁄32
1278CR 1"
1
⁄4"3
3
⁄4 1
17
⁄32
1279CR 1
1
⁄4"
3
⁄8"3
3
⁄4
13
⁄16 1
7
⁄8
1280CR 1
1
⁄2"
3
⁄8"4
3
⁄16
15
⁄16 2
1
⁄8
1281CR 2"
1
⁄2"5
3
⁄16 1
1
⁄8 2
17
⁄64
UL not applicable.
A
B
C
PVC coating offers high corrosion resistance!
• Snap-on design
(except for
3
⁄8" size)
• Rugged steel
construction
Elongated bolt hole makes alignment
easy, even when mounting-surface
holes are off center!
• Designed to fit each size
of conduit snugly
• High reinforcing ribs on each side
increase strength and reduce weight
• Malleable iron construction
Application
• To support and securely fasten rigid metal conduit
and intermediate metal to the supporting surface
Features
• Rugged malleable iron/copper-free aluminum
construction — snugly fits on the conduit
• Designed to prevent accumulation of moisture
and start of corrosion on vertical run of conduit (A)
• Galvanized finish 1275 Series
• Copper-free aluminum 1276AL Series
For Rigid Metal Conduit and
Intermediate Metal Conduit
PVC-Coated Straps for Rigid Conduit
Conduit Strap
Conduit
Conduit Spacer
Supporting Wall
A
Standard Material
1275 Series . . . . . . 1976AL Series
Malleable Iron . . . . . All copper-free
aluminum
Standard Finish
1275 Series . . . . . . 1276AL Series
Hot Dipped . . . As Cast Galvanized
Range
1275 Series . . . . . . 1276AL Series
3
⁄8" through . . . . . . .
1
⁄2" through 6"
conduit 6" conduit
Listings/Compliances
CSA (LR-2884, LR-4484)
CSA C22.2 No. 18
NFPA 70
1275 Series
1276AL Series
A-32
United States
Tel: 901.252.8000
800.816.7809
Fax: 901.252.1354
Technical Services
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www.tnb.com